When a guy hits their partner with his penis in their eye, but only when receiving or just finished receiving a blow job.

This generally hurts quite a bit as it takes the other person by surprise and is known as a precursor to the Nash Splash, though once a Nash Bash has occurred there is little time for the partner to escape before the Splash happens.

Guy 1: So did you get anywhere with Jenny last night?

Guy 2: Yeeah, it was awesome. She was going down on me and wanted me to warn her when I was going to spurt, so I did, cept then I gave her a nash bash for being cheeky and not swallowing.

Huge rugby tournament for males and females in Nashville. This tournament has been happening every year in March for 29 years. It's a fun way to socialize because many teams drink before and after the games with other teams.

Did you go to Nash Bash last year?

Yeah, I got completely hammered before the game and broke my leg on the pitch. I can't wait to go back!